[include] silence error when package has no patches (patchwork 321)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26627 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/include/quilt.mk b/include/quilt.mk
index 9691dc3..a9af226 100644 (file)
--- a/include/quilt.mk
+++ b/include/quilt.mk
@@ -39,7 +39,7 @@ define PatchDir/Quilt
 endef
 
 define PatchDir/Default
-       @if [ -d "$(2)" -a "$$$$(ls $(2) | wc -l)" -gt 0 ]; then \
+       @if [ -d "$(2)" ] && [ "$$$$(ls $(2) | wc -l)" -gt 0 ]; then \
                export PATCH="$(PATCH)"; \
                if [ -s "$(2)/series" ]; then \
                        $(call filter_series,$(2)/series) | xargs -n1 \